[Variant] VariantArray::value supports shredded struct access

parquet-variant-compute/src/lib.rs

@@ -46,7 +46,7 @@ mod variant_array_builder;
 pub mod variant_get;
 mod variant_to_arrow;
 
-pub use variant_array::{ShreddingState, VariantArray, VariantType};
+pub use variant_array::{ShreddingState, VariantArray, VariantArrayValue, VariantType};
 pub use variant_array_builder::{VariantArrayBuilder, VariantValueArrayBuilder};
 
 pub use cast_to_variant::{cast_to_variant, cast_to_variant_with_options};

parquet-variant-compute/src/shred_variant.rs

@@ -86,7 +86,9 @@ pub fn shred_variant(array: &VariantArray, as_type: &DataType) -> Result<Variant
         if array.is_null(i) {
             builder.append_null()?;
         } else {
-            builder.append_value(array.value(i))?;
+            array
+                .value(i)
+                .consume(|value| builder.append_value(value))?;
         }
     }
     let (value, typed_value, nulls) = builder.finish()?;